High severity · published Aug 26, 2022
CVE-2021-3632
A flaw was found in Keycloak
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 15.1.0 · source: NVD
SS
Single Sign-on · Redhat
7.0; 7.4 before 7.4.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3632
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3632
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-3632
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1978196
Patch
https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4
Issue Tracking
https://github.com/keycloak/keycloak/pull/8203
Permissions Required
https://issues.redhat.com/browse/KEYCLOAK-18500
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